:root {
            /* Colors */
            --primary: #3b82f6;
            --primary-dark: #2563eb;
            --primary-light: #93c5fd;
            --secondary: #ef4444;
            --secondary-dark: #dc2626;
            
            /* Text */
            --text: #333333;
            --text-light: #6b7280;
            --text-on-primary: #ffffff;
            
            /* Backgrounds */
            --bg-light: #f9fafb;
            --bg-white: #ffffff;
            
            /* Borders */
            --border: #e5e7eb;
            --border-dark: #d1d5db;
            
            /* Shadows */
            --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.1);
            --shadow-md: 0 4px 6px rgba(0, 0, 0, 0.1);
            --shadow-lg: 0 10px 15px rgba(0, 0, 0, 0.1);
            
            /* Spacing */
            --space-xs: 0.25rem;
            --space-sm: 0.5rem;
            --space-md: 1rem;
            --space-lg: 1.5rem;
            --space-xl: 2rem;
            --space-2xl: 3rem;
            --space-3xl: 4rem;
            
            /* Border radius */
            --rounded-sm: 0.25rem;
            --rounded-md: 0.5rem;
            --rounded-lg: 0.75rem;
            --rounded-full: 9999px;
            
            /* Transitions */
            --transition: all 0.3s ease;
        }

        /* Base Styles */
        * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }

        html {
            scroll-behavior: smooth;
        }

        body {
        background: 
            url('Pic/back.jpeg') center/cover fixed,
            linear-gradient(to bottom, rgba(199, 188, 188, 0.9), rgba(189, 173, 173, 0.95));
        background-blend-mode: overlay;
        background-attachment: fixed;
        }

        a {
            color: inherit;
            text-decoration: none;
            transition: var(--transition);
        }

        button {
            cursor: pointer;
            font-family: inherit;
            background: none;
            border: none;
        }

        img {
            max-width: 100%;
            height: auto;
            display: block;
        }

        /* Utility Classes */
        .container {
            width: 100%;
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 var(--space-lg);
        }

        .visually-hidden {
            position: absolute;
            width: 1px;
            height: 1px;
            padding: 0;
            margin: -1px;
            overflow: hidden;
            clip: rect(0, 0, 0, 0);
            white-space: nowrap;
            border: 0;
        }

        /* Header & Navigation */
.brand-header {
    background-color: white;
    color: black;
    position: sticky;
    top: 0;
    z-index: 50;
    box-shadow: var(--shadow-md);
}

.nav-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--space-md) 0;
}

.logo {
    font-size: 1.25rem;
    font-weight: 700;
    display: flex;
    align-items: center;
    gap: var(--space-sm);
}

.footer-logo img {
    padding: 6px;
    border-radius: 50%;
    object-fit: contain;
    transform: scale(2);
}

.logo img {
    padding: 6px;
    border-radius: 50%;
    object-fit: contain;
    transform: scale(3);
}

.nav-links {
    display: none;
    gap: var(--space-sm);
}

.nav-links a {
    padding: var(--space-sm) var(--space-md);
    border-radius: var(--rounded-sm);
    font-weight: 500;
    display: flex;
    align-items: center;
    gap: var(--space-xs);
}

.nav-links a:hover,
.nav-links a:focus {
    background-color: gray;
}

.nav-links a.active {
    background-color: lightblue;
}

.mobile-menu-btn {
    background: none;
    border: none;
    color: inherit;
    font-size: 1.5rem;
    padding: var(--space-sm);
    transition: var(--transition);
    display: flex;
    align-items: center;
    justify-content: center;
}

        /* Floating Action Button */
        .floating-WA {
            position: fixed;
            bottom: 20px;
            right: 20px;
            z-index: 99;
        }
        .floating-WA a {
            background: #ffffff;
            color: black;
            padding: 10px 15px;
            border-radius: 50px;
            display: flex;
            align-items: center;
            gap: 8px;
            text-decoration: none;
            box-shadow: 0 4px 8px rgba(0,0,0,0.2);
            transition: transform 0.3s;
        }
        .floating-WA a:hover {
            transform: translateY(-3px);
        }
        .floating-WA img {
            width: 40px;
            height: 40px;
        }

        /* About Section Styles */
        .about-section {
            padding: var(--space-3xl) 0;
        }

        .about-section h1 {
            text-align: center;
            margin-bottom: var(--space-2xl);
            color: var(--primary-dark);
            font-size: 2.5rem;
            position: relative;
            padding-bottom: var(--space-md);
        }

        .about-section h1::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 50%;
            transform: translateX(-50%);
            width: 80px;
            height: 4px;
            background: var(--secondary);
            border-radius: 2px;
        }

        .company-selector {
            display: flex;
            justify-content: center;
            gap: var(--space-2xl);
            margin: var(--space-2xl) 0;
            flex-wrap: wrap;
        }

        .company-selector img {
            width: 120px;
            height: 120px;
            border-radius: 50%;
            object-fit: contain;
            cursor: pointer;
            border: 4px solid transparent;
            transition: var(--transition);
            filter: grayscale(30%);
            background: var(--bg-white);
            padding: var(--space-sm);
            box-shadow: var(--shadow-sm);
        }

        .company-selector img:hover {
            transform: scale(1.1);
            filter: grayscale(0%);
            box-shadow: var(--shadow-md);
        }

        .company-selector img.active {
            filter: grayscale(0%);
            box-shadow: var(--shadow-lg);
            transform: scale(1.1);
        }

        .company-selector img.MJ.active {
            border-color: var(--secondary);
        }

        .company-selector img.AJI.active {
            border-color: var(--primary);
        }

        .company-info {
            display: none;
            text-align: center;
            margin: 0 auto;
            max-width: 800px;
            padding: var(--space-xl);
            background-color: var(--bg-white);
            border-radius: var(--rounded-lg);
            box-shadow: var(--shadow-md);
            border-left: 5px solid;
            margin-bottom: var(--space-xl);
        }

        .company-info.active {
            display: block;
        }

        .company-info h3 {
            color: var(--secondary);
            font-size: 1.75rem;
            position: relative;
            margin-bottom: var(--space-lg);
        }

        .company-info h3::after {
            content: '';
            position: absolute;
            left: 50%;
            transform: translateX(-50%);
            width: 50px;
            height: 3px;
            background: var(--secondary);
            bottom: -10px;
        }

        /* Different color for AJI */
        #andina-info {
            border-left-color: var(--primary);
        }

        #andina-info h3 {
            color: var(--primary);
        }

        #mitra-info {
            border-left-color: var(--secondary);
        }

        #mitra-info h3 {
            color: var(--secondary);
        }

        #andina-info h3::after {
            background: var(--primary);
        }

        /* Static Company Info Styles */
        .static-company-info {
            margin: var(--space-2xl) 0;
            background: var(--bg-white);
            border-radius: var(--rounded-lg);
            box-shadow: var(--shadow-md);
            padding: var(--space-2xl);
        }

        .info-section {
            margin-bottom: var(--space-2xl);
            padding-bottom: var(--space-2xl);
            border-bottom: 1px solid var(--border);
        }

        .info-section:last-child {
            margin-bottom: 0;
            padding-bottom: 0;
            border-bottom: none;
        }

        .section-header {
            display: flex;
            align-items: center;
            gap: var(--space-md);
            margin-bottom: var(--space-xl);
        }

        .section-icon {
            font-size: 1.75rem;
            color: var(--primary);
            background: rgba(59, 130, 246, 0.1);
            width: 3rem;
            height: 3rem;
            display: flex;
            align-items: center;
            justify-content: center;
            border-radius: var(--rounded-full);
        }

        .info-section h2 {
            color: var(--primary-dark);
            font-size: 1.5rem;
            margin: 0;
        }

        .info-section h3 {
            color: var(--primary);
            margin: var(--space-lg) 0 var(--space-md);
            font-size: 1.25rem;
            display: flex;
            align-items: center;
            gap: var(--space-sm);
        }

        /* Vision & Mission Section */
        .vision-mission .info-content {
            display: grid;
            grid-template-columns: 1fr;
            gap: var(--space-xl);
        }

        .vision-mission ul {
            list-style: none;
            padding-left: 0;
        }

        .vision-mission li {
            margin-bottom: var(--space-sm);
            position: relative;
            padding-left: var(--space-xl);
            line-height: 1.7;
        }

        .vision-mission li i {
            position: absolute;
            left: 0;
            color: var(--primary);
        }

        /* Values Section */
        .value-grid {
            display: grid;
            grid-template-columns: 1fr;
            gap: var(--space-lg);
        }

        .value-item {
            text-align: center;
            padding: var(--space-lg);
            border-radius: var(--rounded-md);
            background: var(--bg-light);
            transition: var(--transition);
        }

        .value-item:hover {
            transform: translateY(-5px);
            box-shadow: var(--shadow-sm);
        }

        .value-item i {
            font-size: 2rem;
            color: var(--primary);
            margin-bottom: var(--space-md);
        }

        .value-item h4 {
            color: var(--primary-dark);
            margin-bottom: var(--space-sm);
        }

        .value-item p {
            color: var(--text-light);
            font-size: 0.9rem;
        }

        /* Services Section */
        .service-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: var(--space-lg);
        }

        .service-item {
            text-align: center;
            padding: var(--space-lg) var(--space-md);
            border-radius: var(--rounded-md);
            border: 1px solid var(--border);
            transition: var(--transition);
        }

        .service-item:hover {
            border-color: var(--primary-light);
            box-shadow: var(--shadow-sm);
        }

        .service-item i {
            font-size: 1.75rem;
            color: var(--primary);
            margin-bottom: var(--space-md);
            background: rgba(59, 130, 246, 0.1);
            width: 3.5rem;
            height: 3.5rem;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            border-radius: var(--rounded-full);
        }

        .service-item h4 {
            color: var(--primary-dark);
            margin-bottom: var(--space-sm);
        }

        .service-item p {
            color: var(--text-light);
            font-size: 0.9rem;
        }

        /* Advantages Section */
        .advantage-list {
            display: grid;
            grid-template-columns: 1fr;
            gap: var(--space-md);
        }

        .advantage-item {
            display: flex;
            gap: var(--space-md);
            padding: var(--space-md);
            border-radius: var(--rounded-md);
            background: var(--bg-light);
        }

        .advantage-icon {
            flex-shrink: 0;
        }

        .advantage-icon i {
            font-size: 1.5rem;
            color: var(--primary);
            background: rgba(59, 130, 246, 0.1);
            width: 3rem;
            height: 3rem;
            display: flex;
            align-items: center;
            justify-content: center;
            border-radius: var(--rounded-full);
        }

        .advantage-text h4 {
            color: var(--primary-dark);
            margin-bottom: var(--space-xs);
        }

        .advantage-text p {
            color: var(--text-light);
            font-size: 0.9rem;
        }

        /* Why Choose Us Section */
        .reasons-grid {
            display: grid;
            grid-template-columns: 1fr;
            gap: var(--space-md);
        }

        .reason-card {
            padding: var(--space-lg);
            border-radius: var(--rounded-md);
            background: var(--bg-light);
            position: relative;
            overflow: hidden;
            transition: var(--transition);
        }

        .reason-card:hover {
            transform: translateY(-5px);
            box-shadow: var(--shadow-sm);
        }

        .reason-number {
            position: absolute;
            top: var(--space-md);
            right: var(--space-md);
            font-size: 2.5rem;
            font-weight: 700;
            color: rgba(59, 130, 246, 0.1);
            line-height: 1;
        }

        .reason-card h4 {
            color: var(--primary-dark);
            margin-bottom: var(--space-sm);
            position: relative;
        }

        .reason-card p {
            color: var(--text-light);
            font-size: 0.9rem;
        }

        /* Portfolio Button */
        .portfolio-btn {
            background-color: var(--secondary);
            color: white;
            padding: 0.75rem 1.5rem;
            border-radius: 0.25rem;
            text-decoration: none;
            font-weight: 600;
            transition: background-color 0.3s;
            display: inline-block;
        }

        .portfolio-btn:hover {
            background-color: var(--secondary-dark);
        }

        /* Mobile Menu */
        .mobile-menu {
            display: none;
            background-color: var(--primary);
            padding: var(--space-md);
            flex-direction: column;
            gap: var(--space-xs);
        }

        .mobile-menu.active {
            display: flex;
        }

        .mobile-menu a {
            padding: var(--space-md);
            border-radius: var(--rounded-sm);
            font-weight: 500;
            display: flex;
            align-items: center;
            gap: var(--space-sm);
        }

        .mobile-menu a:hover,
        .mobile-menu a:focus {
            background-color: rgba(255, 255, 255, 0.1);
        }

        .mobile-menu a.active {
            background-color: rgba(255, 255, 255, 0.2);
        }

        /* Footer */
.brand-footer {
    background-color: white;
    color: black;
    padding: var(--space-3xl) 0 var(--space-xl);
}

.footer-grid {
    display: grid;
    gap: var(--space-xl);
    grid-template-columns: 1fr;
}

.footer-col h3 {
    font-size: 1.25rem;
    margin-bottom: var(--space-md);
    display: flex;
    align-items: center;
    gap: var(--space-sm);
}

.footer-col p {
    color: black;
    margin-bottom: var(--space-md);
    line-height: 1.7;
}

.footer-certificate {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    font-size: 0.875rem;
    color: black;
    margin-top: var(--space-md);
}

.footer-certificate i {
    color: gold;
}

.footer-contact {
    display: flex;
    flex-direction: column;
    gap: var(--space-md);
}

.footer-contact p {
    display: flex;
    align-items: flex-start;
    gap: var(--space-sm);
    margin: 0;
}

.footer-contact i {
    color: black;
    margin-top: 0.125rem;
}

.footer-contact a:hover {
    text-decoration: underline;
}

.social-links {
    display: flex;
    gap: var(--space-md);
    margin-bottom: var(--space-lg);
}

.social-links a {
    color: black;
    font-size: 1.25rem;
    display: flex;
    align-items: center;
    justify-content: center;
    width: 2.5rem;
    height: 2.5rem;
    border-radius: var(--rounded-full);
    background-color: rgba(255, 255, 255, 0.1);
    transition: var(--transition);
}

.social-links a:hover,
.social-links a:focus {
    background-color: rgba(255, 255, 255, 0.2);
    transform: translateY(-2px);
}

.footer-bottom {
    border-top: 1px solid black;
    margin-top: var(--space-2xl);
    padding-top: var(--space-lg);
    text-align: center;
    color: black;
    font-size: 0.875rem;
}

        /* Responsive Adjustments */
        @media (max-width: 767px) {
            /* Base adjustments */
            body {
                font-size: 15px;
            }
            
            .about-section h1 {
                font-size: 1.8rem;
                margin-bottom: var(--space-xl);
            }
            
            /* Company selector */
            .company-selector {
                gap: var(--space-md);
                margin: var(--space-xl) 0;
            }
            
            .company-selector img {
                width: 70px;
                height: 70px;
                border-width: 2px;
            }
            
            /* Company info */
            .company-info {
                padding: var(--space-lg);
                margin-bottom: var(--space-lg);
            }
            
            /* Static info sections */
            .static-company-info {
                padding: var(--space-lg);
            }
            
            .section-header {
                flex-direction: column;
                align-items: flex-start;
                gap: var(--space-sm);
                margin-bottom: var(--space-lg);
            }
            
            /* Vision & Mission */
            .vision-mission li {
                padding-left: var(--space-lg);
            }
            
            /* Services grid */
            .service-grid {
                grid-template-columns: 1fr;
                gap: var(--space-md);
            }
            
            /* Value grid */
            .value-grid {
                grid-template-columns: 1fr;
            }
            
            /* Advantage list */
            .advantage-list {
                grid-template-columns: 1fr;
            }
            
            /* Reasons grid */
            .reasons-grid {
                grid-template-columns: 1fr;
            }
            
            /* Footer adjustments */
            .footer-grid {
                gap: var(--space-lg);
            }
            
            .footer-col {
                margin-bottom: var(--space-lg);
            }
            
            .footer-contact p {
                font-size: 0.9rem;
            }
        }

        /* Tablet adjustments */
        @media (min-width: 768px) and (max-width: 1023px) {
            /* Company selector */
            .company-selector img {
                width: 100px;
                height: 100px;
            }
            
            /* Grid adjustments */
            .value-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            
            .service-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            
            .reasons-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            
            /* Footer */
            .footer-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }

        /* Small mobile devices (portrait) */
        @media (max-width: 480px) {
            /* Navigation */
            .logo img {
                width: 3rem;
                height: 3rem;
            }
            
            .logo {
                font-size: 1rem;
            }
            
            /* Floating WA button */
            .floating-WA a span {
                display: none;
            }
            
            .floating-WA a {
                padding: 8px;
            }
            
            /* Portfolio button */
            .portfolio-btn {
                padding: 0.5rem 1rem;
                font-size: 0.9rem;
            }
            
            /* Company info */
            .company-info h3 {
                font-size: 1.3rem;
            }
        }

        /* Desktop adjustments */
        @media (min-width: 768px) {
            .nav-links {
                display: flex;
                gap: 0.5rem;
            }
            
            .mobile-menu-btn {
                display: none;
            }
            
            .footer-grid {
                grid-template-columns: repeat(3, 1fr);
            }

            /* Grid adjustments for desktop */
            .value-grid {
                grid-template-columns: repeat(4, 1fr);
            }
            
            .service-grid {
                grid-template-columns: repeat(3, 1fr);
            }
            
            .reasons-grid {
                grid-template-columns: repeat(4, 1fr);
            }

            /* Vision & Mission Section */
            .vision-mission .info-content {
                grid-template-columns: 1fr 1fr;
            }
        }

        /* Large desktop adjustments */
        @media (min-width: 1200px) {
            .container {
                padding: 0;
            }
        }